Sugars are technically called carbohydrates, referring to the fact that their formulae are only multiple of `C(H_(2)O)`. Hexoses therefore have six carbons, twelve hydrogens and six oxygen atoms. Glucose is a hexose. Choose from among the following another hexose.

Options

A. Fructose
B. Erythrose
C. Ribulose
D. Ribose

Answer

A

Explanation

Fructose and glucose both are six-carbon sugars having formula `C_(6)H_(12)O_(6)`- Erythrose is a four carbon sugar. Ribulose and ribose are both five carbon sugars.